744912 has 60 divisors (see below), whose sum is σ = 2385760. Its totient is φ = 212544.

The previous prime is 744911. The next prime is 744917. The reversal of 744912 is 219447.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639 + ... + 1377.

2⁷⁴⁴⁹¹² is an apocalyptic number.

744912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192880).

744912 is an abundant number, since it is smaller than the sum of its proper divisors (1640848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

744912 is a wasteful number, since it uses less digits than its factorization.

744912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 751 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 744912 is about 863.0828465449. The cubic root of 744912 is about 90.6501075103.

The spelling of 744912 in words is "seven hundred forty-four thousand, nine hundred twelve".